A review of Chapter 7 from Pearson Biology
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| 1187994027 | selectively permeable | membranes | 0 | |
| 1187994028 | active transport | requires ATP | 1 | |
| 1187994029 | passive transport | doesn't require ATP | 2 | |
| 1187994030 | Facilitated Difusion | reaches a maximum rate of transport once all channels are filled | 3 | |
| 1187994031 | phospholipid bilayer | layout of cell membrane | 4 | |
| 1187994032 | fluid mosiac model | the membrane's fluid structure with a mosaic of various proteins embedded in or attached to a double layer (bilayer) of phospholipids. | 5 | |
| 1187994033 | hydrophilic interactions | main way membranes are held together | 6 | |
| 1187994034 | cell-cell recognition | a cell's ability to recognize one neighboring cell from another | 7 | |
| 1187994035 | supramolecular structure | many molecules ordered into a higher level of organization | 8 | |
| 1187994036 | nonpolar molecules | hydrophobic and can dissolve in the lipid bilayer, crossing it easily | 9 | |
| 1187994037 | transport proteins | channel proteins, create a tunnel for certain molecules | 10 | |
| 1187994038 | aquaporins | transport proteins specialized to aid in the transport of water | 11 | |
| 1187994039 | carrier proteins | carry molecules across the membrane | 12 | |
| 1187994040 | diffusion | the movement of molecules of any substance so that they spread out evenly into the available space | 13 | |
| 1187994041 | concentration gradient | the region along which the density of a chemical substance increases or decreases | 14 | |
| 1187994042 | osmosis | the diffusion of free water across a selectively permeable membrane | 15 | |
| 1187994043 | tonicity | the ability of a surrounding solution to cause a cell to gain or lose water | 16 | |
| 1187994044 | isotonic | same tonicity | 17 | |
| 1187994045 | hypertonic | more tonicity | 18 | |
| 1187994046 | hypytonic | less tonicity | 19 | |
| 1187994047 | plasmolysis | a cell membrane contracts from the cell wall in a hypertonic environment | 20 | |
| 1187994048 | ion channels | channel proteins that transport ions | 21 | |
| 1187994049 | voltage | electrical potential energy | 22 | |
| 1187994050 | membrane potential | voltage across a membrane | 23 | |
| 1187994051 | electrochemical gradient | combination of chemical gradient and electric charge, 2 forces acting on an ion | 24 | |
| 1187994052 | electrogenic pump | a transport protein that generates voltage across a membrane | 25 | |
| 1187994053 | cotransport | two molecules traveling together, one against its concentration gradient and one with it. | 26 | |
| 1187994054 | exocytosis | the cell secretes certain biological molecules by fusion of vesicles with the plasma membrane | 27 | |
| 1187994055 | endocytosis | the cell takes in biological molecules and particlate matter by forming new vesicles from the plasma membrane | 28 | |
| 1187994056 | phagocytosis | cellular eating | 29 | |
| 1187994057 | pinocytosis | cellular drinking | 30 | |
| 1187994058 | ligands | any molecule that binds specifically to a receptor cite on another molecule | 31 |
